211200202000220 has 24 divisors (see below), whose sum is σ = 443543248071504. Its totient is φ = 84475733396096.

The previous prime is 211200202000217. The next prime is 211200202000231. The reversal of 211200202000220 is 22000202002112.

It is a junction number, because it is equal to n+sod(n) for n = 211200202000195 and 211200202000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271314374 + ... + 272091693.

It is an arithmetic number, because the mean of its divisors is an integer number (18480968669646).

Almost surely, 2^{211200202000220} is an apocalyptic number.

211200202000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211200202000220 is an abundant number, since it is smaller than the sum of its proper divisors (232343046071284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211200202000220 is a wasteful number, since it uses less digits than its factorization.

211200202000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543425509 (or 543425507 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 211200202000220 its reverse (22000202002112), we get a palindrome (233200404002332).

The spelling of 211200202000220 in words is "two hundred eleven trillion, two hundred billion, two hundred two million, two hundred twenty", and thus it is an aban number.